{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease", "Chemical"], "input": "PURPOSE : To determine whether Myocet ( liposome - encapsulated doxorubicin ; The Liposome Company , Elan Corporation , Princeton , NJ ) in combination with cyclophosphamide significantly reduces doxorubicin cardiotoxicity while providing comparable antitumor efficacy in first - line treatment of metastatic breast cancer ( MBC ) ."}
{"Disease": ["cardiotoxicity", "breast cancer", "MBC"], "Chemical": ["Myocet", "doxorubicin", "cyclophosphamide"]}